:root, [data-theme="dark"] {
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.45rem);
  --text-xl: clamp(1.5rem, 1.25rem + 1.2vw, 2.15rem);
  --text-2xl: clamp(2rem, 1.35rem + 2.5vw, 3.25rem);
  --text-3xl: clamp(2.5rem, 1.2rem + 4vw, 4.75rem);

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  --color-bg: #090d12;
  --color-surface: #0e1520;
  --color-surface-2: #141f2e;
  --color-surface-3: #1a2a3d;
  --color-border: #1f334a;
  --color-border-glow: rgba(0, 240, 255, 0.25);

  --color-text: #f0f6fc;
  --color-text-muted: #94a3b8;
  --color-text-faint: #64748b;
  --color-text-inverse: #090d12;

  --color-primary: #00f0ff;
  --color-primary-hover: #38f4ff;
  --color-primary-soft: rgba(0, 240, 255, 0.12);
  --color-primary-line: #0284c7;

  --color-accent: #10b981;
  --color-accent-soft: rgba(16, 185, 129, 0.14);

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.65);
  --shadow-glow: 0 0 35px rgba(0, 240, 255, 0.18);

  --radius-sm: 0.4rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.4rem;
  --radius-full: 9999px;

  --font-display: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --content: 1220px;
}

[data-theme="light"] {
  --color-bg: #f8fafc;
  --color-surface: #ffffff;
  --color-surface-2: #f1f5f9;
  --color-surface-3: #e2e8f0;
  --color-border: #cbd5e1;
  --color-border-glow: rgba(14, 165, 233, 0.3);

  --color-text: #0f172a;
  --color-text-muted: #475569;
  --color-text-faint: #94a3b8;
  --color-text-inverse: #ffffff;

  --color-primary: #0284c7;
  --color-primary-hover: #0369a1;
  --color-primary-soft: #e0f2fe;
  --color-primary-line: #38bdf8;

  --color-accent: #059669;
  --color-accent-soft: #d1fae5;

  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.08);
  --shadow-md: 0 10px 25px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 20px 45px rgba(15, 23, 42, 0.12);
  --shadow-glow: 0 0 25px rgba(2, 132, 199, 0.15);
}

*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  background:
    radial-gradient(1100px 520px at 80% -120px, color-mix(in srgb, var(--color-primary) 12%, transparent), transparent 70%),
    radial-gradient(900px 450px at -10% 20%, color-mix(in srgb, var(--color-accent) 10%, transparent), transparent 70%),
    var(--color-bg);
  color: var(--color-text);
  overflow-x: hidden;
}

img, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  text-decoration: none;
  color: inherit;
}

button, input, textarea {
  font: inherit;
}

.container {
  width: min(calc(100% - 2.5rem), var(--content));
  margin: 0 auto;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
  z-index: 1000;
  background: var(--color-primary);
  color: var(--color-text-inverse);
  padding: 0.85rem 1.25rem;
  border-radius: var(--radius-md);
}

/* Header & Nav */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--color-bg) 85%, transparent);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4) 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.brand-svg {
  height: 40px;
  width: auto;
}

.nav-links {
  display: flex;
  gap: var(--space-6);
  align-items: center;
  flex-wrap: wrap;
}

.nav-links a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color 0.2s ease;
}

.nav-links a:hover {
  color: var(--color-primary);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.btn, .theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.35rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: var(--text-sm);
  cursor: pointer;
  transition: all 0.2s ease;
  border: 1px solid transparent;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: #05131e;
  font-weight: 700;
  box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
  filter: brightness(1.1);
  transform: translateY(-1px);
}

.btn-secondary, .theme-toggle {
  background: var(--color-surface);
  border-color: var(--color-border);
  color: var(--color-text);
}

.btn-secondary:hover, .theme-toggle:hover {
  border-color: var(--color-primary);
  background: var(--color-surface-2);
}

/* Hero Section */
.hero {
  padding: clamp(4.5rem, 9vw, 8.5rem) 0 4rem;
  position: relative;
  overflow: hidden;
  isolation: isolate;
}

.scene-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.75;
}

.scene-glow {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
}

.scene-glow-hero {
  background: radial-gradient(ellipse 65% 55% at 30% 45%, color-mix(in srgb, var(--color-primary) 15%, transparent) 0%, transparent 70%);
}

.hero-layer {
  position: relative;
  z-index: 2;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: var(--space-10);
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--color-primary-soft);
  color: var(--color-primary);
  border: 1px solid color-mix(in srgb, var(--color-primary) 30%, transparent);
  padding: 0.4rem 0.9rem;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: '';
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 8px currentColor;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin: 0;
}

h1 {
  font-size: var(--text-3xl);
  font-weight: 800;
  margin: 1.25rem 0;
  background: linear-gradient(135deg, var(--color-text) 40%, var(--color-primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

h2 {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-4);
}

h3 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-3);
}

p {
  margin: 0;
  color: var(--color-text-muted);
}

.hero-copy p {
  font-size: var(--text-lg);
  line-height: 1.55;
  max-width: 52ch;
}

.hero-actions, .cta-actions, .contact-actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-top: var(--space-6);
}

.hero-panel {
  background: linear-gradient(180deg, var(--color-surface), var(--color-surface-2));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-lg);
  position: relative;
}

.hero-panel::before {
  content: '';
  position: absolute;
  top: 0;
  left: 10%;
  right: 10%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
}

.hero-stats {
  display: grid;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.hero-stat {
  padding: var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: border-color 0.2s ease;
}

.hero-stat:hover {
  border-color: var(--color-primary);
}

.hero-stat strong {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--text-base);
  font-family: var(--font-display);
  color: var(--color-text);
  margin-bottom: 0.25rem;
}

.hero-stat span {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.45;
}

/* Sections */
.section {
  padding: clamp(4rem, 7vw, 6.5rem) 0;
}

.band {
  background: var(--color-surface);
  border-block: 1px solid var(--color-border);
}

.section-head {
  display: grid;
  gap: var(--space-3);
  margin-bottom: var(--space-8);
}

.section-head p {
  max-width: 65ch;
  font-size: var(--text-lg);
}

/* Grids */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-5);
}

/* Cards & Panels */
.card, .panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.card:hover, .panel:hover {
  transform: translateY(-2px);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.panel-featured {
  background: linear-gradient(180deg, color-mix(in srgb, var(--color-primary) 8%, var(--color-surface)), var(--color-surface));
  border-color: color-mix(in srgb, var(--color-primary) 40%, var(--color-border));
  position: relative;
  overflow: hidden;
}

.panel-featured::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 140px;
  height: 140px;
  background: radial-gradient(circle at top right, color-mix(in srgb, var(--color-primary) 25%, transparent), transparent 70%);
  pointer-events: none;
}

.product-tag {
  display: inline-block;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
  background: var(--color-accent-soft);
  color: var(--color-accent);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-3);
}

.label {
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  font-weight: 700;
  margin-bottom: var(--space-2);
  display: block;
}

ul.clean {
  list-style: none;
  padding: 0;
  margin: var(--space-4) 0 0;
  display: grid;
  gap: 0.75rem;
}

ul.clean li {
  position: relative;
  padding-left: 1.4rem;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  line-height: 1.5;
}

ul.clean li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: var(--color-primary);
}

/* Proof & Metric Cards */
.proof-card {
  padding: var(--space-5);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.proof-card strong {
  display: block;
  font-size: var(--text-xl);
  font-family: var(--font-display);
  color: var(--color-text);
  margin-bottom: 0.35rem;
}

.proof-card span {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.45;
}

/* Process Steps */
.process {
  display: grid;
  gap: var(--space-4);
}

.timeline-item {
  padding: var(--space-5);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  position: relative;
  transition: border-color 0.2s ease;
}

.timeline-item:hover {
  border-color: var(--color-primary);
}

.number {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  font-weight: 800;
  margin-bottom: var(--space-2);
}

.ops-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: var(--space-8);
  align-items: start;
}

/* Table */
.table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 720px;
}

th, td {
  padding: 1.1rem 1.35rem;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--color-border);
}

th {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-faint);
  background: var(--color-surface-2);
}

td {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.highlight {
  color: var(--color-text);
  font-weight: 700;
}

/* Contact */
.contact-scene {
  position: relative;
  overflow: hidden;
  isolation: isolate;
}

.scene-glow-contact {
  background: radial-gradient(ellipse 55% 55% at 75% 50%, color-mix(in srgb, var(--color-accent) 15%, transparent) 0%, transparent 70%);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 0.95fr;
  gap: var(--space-8);
  position: relative;
  z-index: 2;
}

.contact-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-md);
}

.contact-list {
  display: grid;
  gap: var(--space-4);
  margin-top: var(--space-4);
}

.contact-item {
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
}

.contact-item strong {
  color: var(--color-text);
  font-size: var(--text-sm);
}

.contact-item span {
  color: var(--color-text-muted);
  font-size: var(--text-xs);
}

/* CTA */
.cta {
  padding-bottom: clamp(4rem, 8vw, 7rem);
}

.cta-box {
  padding: clamp(2.5rem, 5vw, 4.5rem);
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, var(--color-surface), var(--color-surface-2));
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.cta-box::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 80% 20%, color-mix(in srgb, var(--color-primary) 12%, transparent), transparent 60%);
  pointer-events: none;
}

/* Footer */
.site-footer {
  padding: var(--space-8) 0;
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--space-8);
}

.mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-top: 0.35rem;
}

.divider {
  height: 1px;
  background: var(--color-border);
  margin: var(--space-6) 0;
}

/* Responsive */
@media (prefers-reduced-motion: reduce) {
  .scene-canvas {
    display: none;
  }
}

@media (max-width: 1040px) {
  .hero-grid, .grid-3, .grid-2, .grid-4, .ops-grid, .contact-grid, .footer-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  .hero {
    padding-top: 3.5rem;
  }
  .hero-actions, .cta-actions, .contact-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .btn, .theme-toggle {
    width: 100%;
  }
}